Abstract
Augmentative and Alternative Communication (AAC) techniques are employed to mediate communication with people who have communication disorders, as in cases of intellectual disability. Although there are various digital solutions that promote alternative communication options for individuals with communication disorders, only a few of them have been specifically designed or targeted to people with intellectual disability (ID). This work is motivated by the lack of AAC solutions contributing to the rehabilitation processes of individuals with intellectual disability in Brazil. The study presents a mobile-based AAC solution conceived as a tool to assist the rehabilitation process of people with ID. The design was based on user-centered design principles and accessibility standards. The System Usability Scale (SUS) questionnaire was used to evaluate the solution. Four specialists and twenty-five students participated in this study. The proposed solution shows the potential educational value for professionals who assist individuals with intellectual disability in Brazil.
Highlights
A study released by the World Health Organization (WHO) revealed that more than 1 billion people worldwide have some sort of disability and the number of individuals with disability tends to increase due to population growth and aging [1]
Ebert and Parveen in [23] present research to determine the existing evidence for the use of iPad and mobile devices as the primary language intervention method for children with autism spectrum disorder (ASD). e results of this review suggest that iPads and mobile devices may be effective for language intervention among children with ASD
E System Usability Scale (SUS) [32] was used to evaluate the tool. e SUS is widely used to evaluate the usability of products and systems experienced by users due to its simplicity and reliability, even when applied to small samples [33]. e SUS questionnaire consists of ten questions regarding the usability of a product or system as a whole, but not referring to its specific parts [32]. e questionnaire intercalates positive and negative statements regarding the usability of the solution being analyzed
Summary
A study released by the World Health Organization (WHO) revealed that more than 1 billion people worldwide have some sort of disability and the number of individuals with disability tends to increase due to population growth and aging [1]. E barriers most commonly faced by disabled people include discrimination, inadequate health care and rehabilitation services, and lack of accessibility. Governments should work to sensitize society, supporting the research and training of professionals who take care of people with disabilities. In this context, Brazil made initial efforts to improve access for people with disabilities to basic services, adopting strategies for this section of the community [2]. In Brazil, according to the Brazilian Institute of Geography and Statistics (IBGE) [3], there are about 45 million people with disabilities, which represent approximately 24 percent of the whole population. E National Network to Assistive Technology Research and Development (CNRTA) comprises 90 research centers and 54 institutions. In reality, in Brazil, a gap can be observed between technological solutions in this field, driving a continuing investment in supplying technological solutions for professionals and people with special needs
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